Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 16:39Z
∇ × E = −∂B/∂t
∑_{k=1}^{n} k = n(n+1)/2
75K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
F = ma
det| 9 4 ; 1 10 | = 86
390K
10n² + 4n + 5 = 0
det| 12 1 ; 4 13 | = 152
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
473K
12x² + 6x + 5 = 0
∫₀^∞ e^(-γ²) dγ = √π / 2